Exhibit 12.1

DIODES INCORPORATED

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(In thousands except ratio data)

	Year ended December 31,															Six Months Ended
	2001			2002			2003			2004			2005			June 30, 2006
Earnings:
Income before income taxes	$	(1,421	)	$	7,851		$	12,991		$	32,741		$	41,108		$	25,754
Less: minority interest		(224	)		(320	)		(436	)		(626	)		(1,094	)		(482	)
Add back fixed charges:
Interest expense		2,133			1,221			875			665			598			310
Adjusted earnings	$	488		$	8,752		$	13,430		$	32,780		$	40,612		$	25,582
Total fixed charges	$	2,133		$	1,221		$	875		$	665		$	598		$	310
Ratio of earnings to fixed charges		0.2	x		7.2	x		15.3	x		49.3	x		67.9	x		82.5	x

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